Kuaimiao VPN
Pick the client that matches the device you actually use, check the connection before you rely on it, and keep account handling separate from the connection itself.
The download centre splits Windows, macOS, iPhone, Android and Linux into separate pages. Open the one that matches, and read where the file comes from before you install; an APK cannot be installed on an iPhone.
Compare the download optionsStart by confirming that your usual network works as it always did, then connect and open the website or app you need. If that fails, try a single alternative route and write down the result, because a connected icon is not proof that traffic is flowing.
Connection checksA live connection neither proves you are anonymous nor raises the device limit of your plan. Check what the plan allows, use a password nobody else has, and strip private details out of anything you send to support.
Understand where the protection ends